COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 22,095 Value ($000) $847 Avg Close $41.02 Range $28.78 - $52.83

Q2 2025

Shares 63,555 Value ($000) $3,064 Avg Close $48.69 Range $42.42 - $59.17

Q1 2025

Shares 44,161 Value ($000) $2,708 Avg Close $69.28 Range $57.13 - $78.75

Q4 2024

Shares 47,194 Value ($000) $3,576 Avg Close $74.16 Range $68.55 - $80.31

Q3 2024

Shares 68,397 Value ($000) $5,193 Avg Close $63.26 Range $49.39 - $71.55

Q2 2024

Shares 76,573 Value ($000) $4,322 Avg Close $53.96 Range $46.40 - $59.71

Q1 2024

Shares 80,382 Value ($000) $5,251 Avg Close $64.78 Range $55.32 - $76.16

Q4 2023

Shares 85,316 Value ($000) $6,473 Avg Close $58.68 Range $51.06 - $67.91

Q3 2023

Shares 93,309 Value ($000) $5,776 Avg Close $56.65 Range $49.37 - $62.58

Q2 2023

Shares 98,127 Value ($000) $6,603 Avg Close $55.79 Range $51.89 - $63.61

Q1 2023

Shares 113,074 Value ($000) $7,205 Avg Close $53.95 Range $47.34 - $59.59

Q4 2022

Shares 113,678 Value ($000) $6,456 Avg Close $45.47 Range $38.44 - $49.77

Q3 2022

Shares 86,540 Value ($000) $4,513 Avg Close $47.03 Range $40.31 - $52.62

Q2 2022

Shares 95,013 Value ($000) $5,772 Avg Close $49.50 Range $44.69 - $57.61

Q1 2022

Shares 90,413 Value ($000) $5,998 Avg Close $50.68 Range $45.04 - $58.30

Q4 2021

Shares 93,540 Value ($000) $6,881 Avg Close $58.80 Range $54.37 - $63.01

Q3 2021

Shares 67,021 Value ($000) $4,747 Avg Close $57.54 Range $54.65 - $60.62

Q2 2021

Shares 56,779 Value ($000) $4,365 Avg Close $56.91 Range $51.11 - $61.32

Q1 2021

Shares 38,001 Value ($000) $2,612 Avg Close $46.19 Range $42.45 - $53.35

Q4 2020

Shares 30,944 Value ($000) $1,847 Avg Close $44.21 Range $39.55 - $48.39

Q3 2020

Shares 26,430 Value ($000) $1,587 Avg Close $53.91 Range $43.66 - $66.92

Q2 2020

Shares 26,430 Value ($000) $2,044 Avg Close $59.24 Range $53.63 - $67.78

Q1 2020

Shares 22,401 Value ($000) $1,836 Avg Close $54.80 Range $46.85 - $63.38

Q4 2019

Shares 200 Value ($000) $13 Avg Close $43.44 Range $38.28 - $48.23

Q3 2019

Shares 200 Value ($000) $11 Avg Close $42.42 Range $38.13 - $45.53

Q4 2017

Shares 107,803 Value ($000) $4,934 Avg Close $31.42 Range $27.83 - $36.00

Q3 2017

Shares 28,322 Value ($000) $1,418 Avg Close $28.92 Range $24.75 - $32.98

Q3 2016

Shares 37,472 Value ($000) $1,389 Avg Close $24.16 Range $22.06 - $27.15

Q1 2016

Shares 1,230 Value ($000) $48 Avg Close $21.23 Range $18.11 - $24.16

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	22,095	$847	$41.02	$28.78 - $52.83
Q2 2025	63,555	$3,064	$48.69	$42.42 - $59.17
Q1 2025	44,161	$2,708	$69.28	$57.13 - $78.75
Q4 2024	47,194	$3,576	$74.16	$68.55 - $80.31
Q3 2024	68,397	$5,193	$63.26	$49.39 - $71.55
Q2 2024	76,573	$4,322	$53.96	$46.40 - $59.71
Q1 2024	80,382	$5,251	$64.78	$55.32 - $76.16
Q4 2023	85,316	$6,473	$58.68	$51.06 - $67.91
Q3 2023	93,309	$5,776	$56.65	$49.37 - $62.58
Q2 2023	98,127	$6,603	$55.79	$51.89 - $63.61
Q1 2023	113,074	$7,205	$53.95	$47.34 - $59.59
Q4 2022	113,678	$6,456	$45.47	$38.44 - $49.77
Q3 2022	86,540	$4,513	$47.03	$40.31 - $52.62
Q2 2022	95,013	$5,772	$49.50	$44.69 - $57.61
Q1 2022	90,413	$5,998	$50.68	$45.04 - $58.30
Q4 2021	93,540	$6,881	$58.80	$54.37 - $63.01
Q3 2021	67,021	$4,747	$57.54	$54.65 - $60.62
Q2 2021	56,779	$4,365	$56.91	$51.11 - $61.32
Q1 2021	38,001	$2,612	$46.19	$42.45 - $53.35
Q4 2020	30,944	$1,847	$44.21	$39.55 - $48.39
Q3 2020	26,430	$1,587	$53.91	$43.66 - $66.92
Q2 2020	26,430	$2,044	$59.24	$53.63 - $67.78
Q1 2020	22,401	$1,836	$54.80	$46.85 - $63.38
Q4 2019	200	$13	$43.44	$38.28 - $48.23
Q3 2019	200	$11	$42.42	$38.13 - $45.53
Q4 2017	107,803	$4,934	$31.42	$27.83 - $36.00
Q3 2017	28,322	$1,418	$28.92	$24.75 - $32.98
Q3 2016	37,472	$1,389	$24.16	$22.06 - $27.15
Q1 2016	1,230	$48	$21.23	$18.11 - $24.16